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)(19,28)(20,25)(21,26)(22,24)(23,30)(27,34)(29,41)(31,37)(32,39)(33,38)(35,44)(36,42)(40,45)(43,47)(46,48)(1,2)(3,7)(4,6)(5,8)(9,11,14,15)(10,13,16,12)(17,19,21,30)(18,23,26,28)(20,29,32,42)(22,31,34,44)(24,35,27,37)(25,36,39,41)(33,43,45,48)(38,46,40,47)(1,3)(2,5)(4,8)(6,7)(9,10)(11,12)(13,15)(14,16)(18,24)(22,34)(23,35)(25,38)(26,27)(28,37)(31,44)(33,45)(36,46)(39,40)(41,47)(43,48) involution — undirected(2,6)(3,8)(9,12,14,13)(10,15,16,11)(17,20,21,32)(18,25,26,39)(19,29,30,42)(22,33,34,45)(23,36,28,41)(24,38,27,40)(31,43,44,48)(35,46,37,47)(2,6)(5,7)(9,13,14,12)(10,15,16,11)(18,26)(20,32)(23,28)(24,27)(29,42)(33,45)(35,37)(43,48)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.