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