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