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