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