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