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