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