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