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