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