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