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