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