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