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