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