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