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