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