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