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