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