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