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