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