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