One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,10)(4,12,14,11)(5,8)(6,9)(7,13,15,16)(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)(1,3,5,2,6,8,10,9)(4,12,13,15,14,11,16,7)(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)(1,4,5,13,6,14,10,16)(2,7,3,11,9,15,8,12)(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.