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