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