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