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