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