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