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