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