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