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