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