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