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