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