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