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