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