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