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