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