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