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