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