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