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