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