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