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