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