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