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)(17,18,22,26)(19,24,27,23)(20,21,25,31)(28,30,32,29)(36,44)(40,47)(42,48)(45,46)(1,3,7,5)(2,8,6,10)(4,11,14,13)(9,15,12,16)(19,27)(23,24)(28,32)(29,30)(33,34)(35,39)(36,40)(37,41)(38,43)(42,46)(44,47)(45,48)(17,19)(18,23)(20,28)(21,29)(22,27)(24,26)(25,32)(30,31)(33,35)(34,38)(36,42)(37,43)(39,41)(40,45)(44,48)(46,47) involution — undirected(1,4,7,14)(2,9,6,12)(3,11,5,13)(8,15,10,16)(17,19)(18,24)(20,28)(21,30)(22,27)(23,26)(25,32)(29,31)(33,35)(34,39)(36,42)(37,43)(38,41)(40,46)(44,48)(45,47)(1,5,7,3)(2,10,6,8)(4,13,14,11)(9,16,12,15)(17,20,22,25)(18,21,26,31)(19,28,27,32)(23,29,24,30)(33,36)(34,40)(35,42)(37,44)(38,45)(39,46)(41,47)(43,48)(1,6,7,2)(3,10,5,8)(4,9,14,12)(11,15,13,16)(17,21)(18,25)(19,29)(20,26)(22,31)(23,32)(24,28)(27,30)(33,34)(35,38)(36,40)(37,41)(39,43)(42,45)(44,47)(46,48)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.