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