One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(3,4)(10,12)(14,15)(18,19)(23,25)(24,26)(30,31) involution — undirected(1,2,6,5)(3,8,4,7)(9,10,13,12)(11,15,16,14)(17,18,22,19)(20,23,27,25)(21,24,29,26)(28,30,32,31)(1,3,6,4)(2,7,5,8)(9,11,13,16)(10,14,12,15)(20,27)(23,25)(28,32)(30,31)(1,4,6,3)(2,8,5,7)(9,12,13,10)(11,15,16,14)(17,19,22,18)(20,25,27,23)(21,24,29,26)(28,30,32,31)(1,5,6,2)(3,8,4,7)(17,20,22,27)(18,23,19,25)(21,28,29,32)(24,30,26,31)(17,21)(18,24)(19,26)(20,28)(22,29)(23,30)(25,31)(27,32) involution — undirectedA 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.