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