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