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