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