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