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