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