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