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