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