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)(17,18,23,24)(19,21,20,27)(22,25,31,32)(26,29,28,30)(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)(18,21)(20,23)(22,26)(24,27)(25,29)(28,31)(30,32)(33,35,38,43)(34,39,42,48)(36,37,44,47)(40,46,45,41)(2,3)(7,9)(8,10)(15,16)(18,24)(19,20)(25,32)(26,28)(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)(17,20,23,19)(18,21,24,27)(22,26,31,28)(25,30,32,29)(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)(17,21)(18,19)(20,24)(22,30)(23,27)(25,28)(26,32)(29,31)(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)(17,22)(18,25)(19,26)(20,28)(21,29)(23,31)(24,32)(27,30)(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.