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