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