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