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