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