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