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