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