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