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)(17,18,22,21)(19,25,27,23)(20,24,28,29)(26,31,32,30)(33,34)(35,38)(36,39)(37,42)(40,45)(41,44)(43,47)(46,48)(2,4)(5,13)(7,9)(11,16)(18,21)(23,25)(24,29)(30,31)(33,34,38,35)(36,41,44,39)(37,40,45,42)(43,47,48,46)(2,4)(3,10)(8,12)(11,16)(20,28)(24,29)(26,32)(30,31)(34,35)(39,41)(40,42)(46,47) involution — undirected(1,3,6,10)(2,7,4,9)(5,11,13,16)(8,14,12,15)(17,19)(18,23)(20,26)(21,25)(22,27)(24,30)(28,32)(29,31)(33,35,38,34)(36,41,44,39)(37,42,45,40)(43,47,48,46)(1,4,6,2)(3,9,10,7)(5,12,13,8)(11,15,16,14)(17,20,22,28)(18,24,21,29)(19,26,27,32)(23,30,25,31)(33,36,38,44)(34,39,35,41)(37,43,45,48)(40,46,42,47)(1,5,6,13)(2,8,4,12)(3,11,10,16)(7,14,9,15)(17,21,22,18)(19,25,27,23)(20,29,28,24)(26,31,32,30)(33,37,38,45)(34,40,35,42)(36,43,44,48)(39,46,41,47)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.