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