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