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