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