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