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