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