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