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