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