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