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