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