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