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