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