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