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