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