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