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