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