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