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