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