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