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