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