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