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