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