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