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