Is the sign different in color than the net?
No, both the sign and the net are white.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    1
2     0   to the left of    8
3     0   to the left of    7
4     1  to the right of    0
..  ...              ...  ...
90   22  to the right of   20
91   22  to the right of   12
92   22  to the right of   17
93   22  to the right of   16
94   23   to the left of    2

[95 rows x 3 columns]