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