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