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