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