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