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