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