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