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