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