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