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