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