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