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