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