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