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