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