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)(11,16)(12,14)(13,15)(18,20)(19,21)(25,26,29,27)(28,31,32,30)(1,3)(2,7)(4,6)(5,8)(9,11)(10,12)(13,14)(15,16)(17,18)(19,23)(20,22)(21,24)(25,26,29,27)(28,30,32,31)(2,8)(3,4)(11,14)(12,16)(17,19,22,21)(18,23,20,24)(25,27,29,26)(28,31,32,30)(1,4,6,3)(2,5,8,7)(9,12,13,16)(10,14,15,11)(17,20,22,18)(19,23,21,24)(25,28)(26,30)(27,31)(29,32)(1,5)(2,3)(4,8)(6,7)(9,10)(11,16)(12,14)(13,15)(17,21,22,19)(18,23,20,24)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.