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