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