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