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