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