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