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