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