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