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