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)(18,25)(19,29)(20,30)(21,31)(22,32)(23,26)(27,28)(2,5)(6,7)(9,11)(10,13)(12,15)(14,16)(17,18,22,27,23,28,21,25,24,20,31,19,26,29,32,30)(11,15)(13,16)(17,19,21,18,26,25,22,29,24,27,32,20,23,30,31,28)(1,3,4,8)(2,6,5,7)(17,20,31,27,23,29,32,25,24,18,22,19,26,28,21,30)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.