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