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