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