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