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