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