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