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