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