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