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)(19,27)(20,21)(22,24)(23,26)(25,31)(28,29)(30,32)(1,3,4,8)(2,5,6,7)(9,11,12,15)(10,13,14,16)(17,19,23,22)(18,24,26,27)(20,30,25,28)(21,29,31,32)(1,3)(2,5)(4,8)(6,7)(9,10)(11,13)(12,14)(15,16)(17,19,23,22)(18,24,26,27)(20,30,25,28)(21,29,31,32)(1,3)(2,5)(4,8)(6,7)(9,11)(10,13)(12,15)(14,16)(17,20,23,25)(18,21,26,31)(19,28,22,30)(24,32,27,29)(1,2)(3,5)(4,6)(7,8)(9,10)(11,13)(12,14)(15,16)(17,21)(18,25)(19,29)(20,26)(22,32)(23,31)(24,28)(27,30) involution — undirected(17,22,23,19)(18,24,26,27)(20,28,25,30)(21,29,31,32)A 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.