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