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