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