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