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