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