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