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