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