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