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