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