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