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