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