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