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