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)(11,15,16,13)(17,18)(19,23)(20,21)(22,24)(27,31)(30,32)(3,8)(5,7)(9,11,14,16)(10,15,12,13)(18,21)(19,24)(26,29)(30,32)(10,12)(11,16)(17,19)(18,22)(20,24)(21,23)(25,26,28,29)(27,30,31,32)(1,3)(2,5)(4,8)(6,7)(9,12,14,10)(11,15,16,13)(17,18)(19,22)(20,21)(23,24)(1,2)(3,5)(4,6)(7,8)(9,13,14,15)(10,16,12,11)(17,19)(18,22)(20,24)(21,23)(25,27)(26,30)(28,31)(29,32)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.