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