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