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