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