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