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