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