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