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