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