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