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