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