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