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