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