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