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