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