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