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