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