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