One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(17,18)(19,28)(20,29)(21,26)(22,32)(23,27)(24,25)(30,31)(2,5)(6,8)(9,10)(11,14)(12,13)(15,16)(17,19,22,25,23,29,21,30)(18,24,26,28,27,31,32,20)(1,3,4,7)(2,6,5,8)(10,13)(11,15)(17,20,22,24,23,28,21,31)(18,25,26,29,27,30,32,19)(9,11,12,15)(10,14,13,16)(19,29)(20,28)(24,31)(25,30)(10,13)(14,16)(17,21,23,22)(18,26,27,32)(19,30,29,25)(20,24,28,31)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.