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