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