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