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