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)(11,14)(12,13)(15,16)(17,18,24,31,23,27,22,28)(19,29,20,25,30,32,21,26)(2,5)(6,8)(17,19,23,30)(18,25,27,26)(20,24,21,22)(28,32,31,29)(10,13)(14,16)(17,20,22,19,23,21,24,30)(18,25,28,29,27,26,31,32)(1,3,4,7)(2,6,5,8)(17,21,22,30,23,20,24,19)(18,26,28,32,27,25,31,29)(9,11,12,15)(10,14,13,16)(18,27)(25,26)(28,31)(29,32)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.