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