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