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