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)(11,12)(13,14)(15,16)(17,18,23,26)(19,24,27,21)(20,22,25,31)(28,29,32,30)(2,5)(6,7)(10,14)(11,15)(17,19,23,27)(18,24,26,21)(20,28,25,32)(22,29,31,30)(1,2)(3,6)(4,5)(7,8)(9,11,13,15)(10,12,14,16)(19,27)(21,24)(28,32)(29,30)(1,2)(3,6)(4,5)(7,8)(9,12)(10,15)(11,14)(13,16)(17,20)(18,22)(19,28)(21,30)(23,25)(24,29)(26,31)(27,32) involution — undirected(1,3)(2,6)(4,8)(5,7)(17,21)(18,19)(20,30)(22,28)(23,24)(25,29)(26,27)(31,32) involution — undirected(17,22)(18,25)(19,29)(20,26)(21,28)(23,31)(24,32)(27,30) 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.