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