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