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