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