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