One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,10,6,9,4,8)(3,7,13,15,12,16,11,14)(17,18)(19,25,27,22)(20,28)(21,24)(23,29)(26,30,32,31)(1,3,4,13,6,12,5,11)(2,7,10,14,9,16,8,15)(17,18)(19,22)(20,23)(21,24)(25,27)(26,30)(28,29)(31,32)(17,19)(18,22)(20,26)(21,27)(23,30)(24,25)(28,31)(29,32) involution — undirected(1,4,6,5)(2,8,9,10)(3,11,12,13)(7,14,16,15)(17,20,21,29)(18,23,24,28)(19,26,27,32)(22,30,25,31)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.