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