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