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