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