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