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