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