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)(11,16)(12,15)(13,14)(17,18,20,22)(19,21,23,24)(9,10,14,13)(11,16,12,15)(19,23)(21,24)(26,29)(30,32)(9,11,14,12)(10,15,13,16)(17,18)(19,21)(20,22)(23,24)(25,26,28,29)(27,30,31,32)(1,2)(3,5)(4,6)(7,8)(9,12,14,11)(10,15,13,16)(17,19)(18,21)(20,23)(22,24)(1,3,4,7)(2,5,6,8)(9,13,14,10)(11,15,12,16)(17,18)(19,21)(20,22)(23,24)(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.