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