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