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