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