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