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