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