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