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