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