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