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