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