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