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