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