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