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