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