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