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