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