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