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