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