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