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