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