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