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