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