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