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)(17,18,22,28,24,30,23,29)(19,31,34,43,36,42,35,25)(20,26,21,27,37,44,38,45)(32,47,48,46,39,41,33,40)(2,5)(6,8)(17,19,24,36)(18,25,30,43)(20,33,37,48)(21,39,38,32)(22,35,23,34)(26,41,44,47)(27,46,45,40)(28,42,29,31)(1,3,4,7)(2,6,5,8)(10,13)(14,16)(17,20,22,21,24,37,23,38)(18,26,28,27,30,44,29,45)(19,32,34,48,36,39,35,33)(25,40,31,47,43,46,42,41)(17,21,22,37,24,38,23,20)(18,27,28,44,30,45,29,26)(19,33,34,32,36,48,35,39)(25,41,31,40,43,47,42,46)(9,11,12,15)(10,14,13,16)(20,37)(21,38)(26,44)(27,45)(32,39)(33,48)(40,46)(41,47)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.