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