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