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