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