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