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