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