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