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