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