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