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