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