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