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