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