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