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