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