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