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