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