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