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