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