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