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)(17,18,23,19,22,25,21,27)(20,28,30,29,31,24,32,26)(1,2)(3,7)(4,8)(5,6)(17,19,23,25,22,27,21,18)(20,29,30,24,31,26,32,28)(1,3,5,4)(2,7,6,8)(10,13)(14,16)(17,20,22,31)(18,24,25,28)(19,26,27,29)(21,32,23,30)(1,3,5,4)(2,8,6,7)(17,21,22,23)(18,19,25,27)(20,30,31,32)(24,29,28,26)(1,4,5,3)(2,8,6,7)(9,11,12,15)(10,14,13,16)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.