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)(19,29)(20,26)(21,23)(22,31)(24,28)(25,32)(27,30)(36,44)(40,47)(42,48)(45,46)(2,6)(7,9)(8,13)(14,15)(17,19)(18,25)(20,22)(21,30)(23,31)(24,32)(26,27)(28,29)(33,34)(35,39)(36,40)(37,41)(38,43)(42,46)(44,47)(45,48) involution — undirected(1,2)(3,7)(4,8)(5,6)(9,11)(10,14)(12,13)(15,16)(17,20,24,21)(18,26,28,23)(19,22,32,30)(25,27,29,31)(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)(18,26,28,23)(19,30,32,22)(25,27,29,31)(33,35)(34,39)(36,42)(37,43)(38,41)(40,46)(44,48)(45,47)(1,3,5,11)(2,7,6,9)(4,10,12,16)(8,14,13,15)(17,22,24,30)(18,27,28,31)(19,20,32,21)(23,25,26,29)(33,36)(34,40)(35,42)(37,44)(38,45)(39,46)(41,47)(43,48)(1,4,5,12)(2,8,6,13)(3,10,11,16)(7,14,9,15)(17,23,24,26)(18,21,28,20)(19,31,32,27)(22,25,30,29)(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.