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