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