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