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