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