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