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