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