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