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