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