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