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