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