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