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