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)(11,12)(13,15)(14,16)(18,22)(19,23)(25,26,29,28)(27,30,32,31)(2,4)(6,7)(9,11,13,16)(10,14,15,12)(17,18)(19,20)(21,22)(23,24)(26,28)(30,31)(3,8)(6,7)(10,15)(12,14)(18,22)(19,23)(25,27,29,32)(26,30,28,31)(1,3,5,8)(2,6,4,7)(9,12,13,14)(10,11,15,16)(17,19,21,23)(18,20,22,24)(25,27)(26,30)(28,31)(29,32)(1,4,5,2)(3,7,8,6)(9,11)(10,14)(12,15)(13,16)(17,20)(18,23)(19,22)(21,24)(25,28,29,26)(27,31,32,30)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.