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)(18,23)(19,24)(21,29)(28,32)(37,45)(39,46)(42,48)(44,47) involution — undirected(1,3,6,9)(2,7,8,14)(4,10,13,15)(5,11,12,16)(17,18,22,23)(19,20,24,27)(21,25,29,30)(26,28,31,32)(33,34,38,40)(35,41,43,36)(37,39,45,46)(42,47,48,44)(2,8)(3,9)(4,13)(11,16)(19,24)(20,27)(26,31)(28,32)(33,35,38,43)(34,36,40,41)(37,42,45,48)(39,44,46,47)(1,3)(2,7)(4,10)(5,11)(6,9)(8,14)(12,16)(13,15)(17,19,22,24)(18,20,23,27)(21,26,29,31)(25,28,30,32)(33,36)(34,35)(37,44)(38,41)(39,42)(40,43)(45,47)(46,48)(1,4)(2,5)(3,10)(6,13)(7,11)(8,12)(9,15)(14,16)(17,20)(18,24)(19,23)(21,28)(22,27)(25,31)(26,30)(29,32)(33,36)(34,35)(37,44)(38,41)(39,42)(40,43)(45,47)(46,48) involution — undirected(1,5)(2,4)(3,11)(6,12)(7,10)(8,13)(9,16)(14,15)(17,21)(18,25)(19,26)(20,28)(22,29)(23,30)(24,31)(27,32)(33,37)(34,39)(35,42)(36,44)(38,45)(40,46)(41,47)(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.