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