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