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