No uniform realisation is possible.

Incidence matrix according to Dynkin symbol

β3β4β3o

both( . . . . ) | 576 |   2   2    4   2 |   1   2   1    6   3   3 |  2  1  1   4
----------------+-----+------------------+--------------------------+-------------
both( s 2 s . ) |   2 | 576   *    *   * |   0   0   0    2   2   0 |  1  1  0   2
sefa( s3s . . ) |   2 |   * 576    *   * |   1   0   0    2   0   0 |  2  0  0   1
sefa( . s4s . ) |   2 |   *   * 1152   * |   0   1   0    1   0   1 |  1  0  1   1
sefa( . . β3o ) |   2 |   *   *    * 576 |   0   0   1    0   1   1 |  0  1  1   1
----------------+-----+------------------+--------------------------+-------------
both( s3s . . ) ♦   3 |   0   3    0   0 | 192   *   *    *   *   * |  2  0  0   0
both( . s4s . ) ♦   4 |   0   0    4   0 |   * 288   *    *   *   * |  1  0  1   0
      . . β3o   ♦   3 |   0   0    0   3 |   *   * 192    *   *   * |  0  1  1   0
sefa( s3s4s . ) |   3 |   1   1    1   0 |   *   *   * 1152   *   * |  1  0  0   1
sefa( β 2 β3o ) |   3 |   2   0    0   1 |   *   *   *    * 576   * |  0  1  0   1
sefa( . β4β3o ) |   3 |   0   0    2   1 |   *   *   *    *   * 576 |  0  0  1   1
----------------+-----+------------------+--------------------------+-------------
both( s3s4s . ) ♦  24 |  12  24   24   0 |   8   6   0   24   0   0 | 48  *  *   *
      β 2 β3o   ♦   6 |   6   0    0   6 |   0   0   2    0   6   0 |  * 96  *   *
      . β4β3o   ♦  24 |   0   0   48  24 |   0  12   8    0   0  24 |  *  * 24   *
sefa( β3β4β3o ) ♦   4 |   2   1    2   1 |   0   0   0    2   1   1 |  *  *  * 576

starting figure: x3x4x3o