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