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