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