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