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