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