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