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