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