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