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