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