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