One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,10)(4,8)(5,14)(6,9)(7,12)(11,15)(13,16)(22,29)(30,31)(33,34,37,41)(35,38,43,47)(36,39,44,40)(42,45,48,46)(1,3,6,13)(2,7,9,15)(4,12,5,11)(8,16,14,10)(17,18,21,24)(19,22,26,29)(20,27,28,23)(25,31,32,30)(33,35,37,43)(34,38,41,47)(36,42,44,48)(39,45,40,46)(17,19,21,26)(18,22,24,29)(20,25,28,32)(23,30,27,31)(34,39)(36,44)(38,45)(40,41)(42,48)(46,47)(1,4,6,5)(2,8,9,14)(3,11,13,12)(7,10,15,16)(17,20,21,28)(18,23,24,27)(19,25,26,32)(22,30,29,31)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.