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